OP extracting from transactions-gae to transactions
OP adding module transactions
OP removing OAuth2-Client stuff
OP adding @Transactional support to CrudService interface
OP adding GET_PAGE and generics to CrudListener
Merge pull request #1 from sosandstrom/master

rebase
OPS Exporter does not export all data
Merge pull request #7 from vathanakmao/master

Exporter does not export all data
OP adapting CrudServices to interfaces
Merge pull request #12 from sosandstrom/master

merge